ok guys

I took it out today to just run it. I turn the high end needle out 2 turns and the engine still ran fine at full power. It was out about 2.5 turns before it started to lose rpm. I then started turning it in got a peak rpm of 7100rpm with needle at just a little in from 2 turns. I backed it out ran it up agian and got 6800 rpms. I am now out about 2.25 turns on the high needle. I also turned the low end in just a touch. Is it normal to be this far out on ther needle?? Should I give it a try in the air?? Last time it lost power but at least did not quit, and i don't want that. I am using a zinger 22-8 prop.
thanks for the help guys
Bill